[PATCH] pinctrl: berlin: as370: Fix to avoid NULL pointer dereference

[Aditya Pakki]

of_match_device in as370_pinctrl_probe can return a NULL value
when the matching device is not found. The patch avoids a potential
dereference in such scenario.

Signed-off-by: Aditya Pakki <pakki...@umn.edu>
---
 drivers/pinctrl/berlin/pinctrl-as370.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/pinctrl/berlin/pinctrl-as370.c 
b/drivers/pinctrl/berlin/pinctrl-as370.c
index 44f8ccdbeeff..78bb5b866c99 100644
--- a/drivers/pinctrl/berlin/pinctrl-as370.c
+++ b/drivers/pinctrl/berlin/pinctrl-as370.c
@@ -337,6 +337,8 @@ static int as370_pinctrl_probe(struct platform_device *pdev)
        struct resource *res;
        void __iomem *base;
 
+       if (!match)
+               return -ENODEV;
        rmconfig = devm_kzalloc(&pdev->dev, sizeof(*rmconfig), GFP_KERNEL);
        if (!rmconfig)
                return -ENOMEM;
-- 
2.17.1